... catechins, 3.10%~99% Polyphenols, 4.10%~98% EGCG 5. Free Samples Product Specification: 20%,30%,50% L-Theanine ... ,30%~90%catechins,10%~90%Polyphenols,>0.5% 0r >10% or >12% Calleine,10%~98% EGCGLatin ... ≥300.5-15<=0.3TP90≥90≥65≥350.5-10<=0.3 TP95 ≥95≥70≥75≥40≥450.5-6<=0 ... .3≥75≥450.5-3<=0 ... .3 TP98 ≥98≥80≥500.5-3<=0.3≥85≥600.5- ...